Flights from London to Seattle
Nonstop flights from London (LHR) to Seattle (SEA) take about 10h 8m. Virgin Atlantic flies it. Lowest fare seen: $542 one-way, nonstop (8 Oct 2026).
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London → Seattle flights
Fares seen from $542 one-way (8 Oct 2026). Live prices for your dates on the booking site.
Route snapshot: London to Seattle
London (LHR) to Seattle (SEA) is 7,702 km, about 10h 8m flying nonstop. Airlines with flights or nonstop fares on this route include Virgin Atlantic. The lowest one-way fare seen recently was $542 with Virgin Atlantic (nonstop), departing 10 Aug 2027 — as of 8 Oct 2026.
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When you land in Seattle
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Getting out of Seattle (SEA)
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Why travelers watch this route
Fares seen
The lowest one-way fare seen was $542 with Virgin Atlantic (nonstop), departing 10 Aug 2027; with connections it dropped to $458. Checked 8 Oct 2026 — fares move daily.
Seasonality
Seattle has year-round travel demand, so fare differences often depend more on booking window and airline competition than on one single peak season.
Who flies it
Airlines with flights or nonstop fares here include Virgin Atlantic. More carriers may sell it with a connection.
Airlines flying London to Seattle
Carriers on LHR–SEA according to our route data and nonstop fares seen as of 8 Oct 2026. Not a complete list.
Direct & Connecting Flights
Nonstop flights link London (LHR) and Seattle (SEA), taking about 10h 8m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on LHR–SEA was $542 USD (nonstop) as of 8 Oct 2026. Set a fare alert to be told when it drops.
About Seattle
Flights arrive at Seattle–Tacoma International Airport (SEA). See the destination guide for hotels, visa requirements and travel tips.
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Search LHR → SEA
See current London to Seattle fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for LHR and SEA.
Airline Route Maps
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Seattle Planning
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Price Alerts
Track fare drops on LHR–SEA and related city pairs.
Visa Guides
Check entry rules before booking flights from UK to Seattle.
Explore related route clusters
More routes in this part of the world.
Frequently asked questions — London to Seattle flights
How long is the flight from London to Seattle?
How far is London from Seattle by air?
Which airlines fly from London to Seattle?
How much does a flight from London to Seattle cost?
Do I need a visa to travel from UK to Seattle?
Sources: fares from Travelpayouts flight-search data, seen 8 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
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